Social media is growing rapidly and changing how organizations connect with people. Some key points: - Facebook has over 26 million US members as of January 2009 and is growing fastest among women over 55. - Common social networks in early 2009 were Facebook, MySpace, Twitter, with Facebook having the most monthly users. - Nonprofits are increasingly using social media tools like social networks, blogs, and mobile apps to engage supporters in new ways beyond traditional methods like direct mail. - Social media allows for more people-driven, multimedia and shareable efforts that can help raise money and awareness through activities like Facebook causes and virtual fundraising events.